The Cresnet® bus is the communications backbone for many Crestron® keypads, lighting controllers, shade motors, sensors, and other devices. Cresnet is a simple, yet flexible 4-wire network that provides bidirectional communication and 24VDC power for Cresnet devices. Cresnet allows for both homerun and daisy-chain wiring topologies, with cable length
s up to approximately 3000 feet (915 meters) per run.
Within a single plenum-rated polymer jacket, CRESNET-P contains (1) 18 AWG pair for 24VDC and Ground, and (1) 22 AWG shielded twisted pair for control data. CRESNET-P is available in three colors: teal, orange, or black.
Specifications
| Data Pair | ||
| Colors | Blue/white | |
| Conductors | (2) 22 AWG (0.33 mm²) stranded bare copper, twisted | |
| Insulation | Foam FEP | |
| Shield | Aluminum/Polyester (100% coverage) | |
| Drain | (1) 24 AWG (0.20 mm²) stranded tinned copper | |
| Capacitance | 12.5 pF/ft (41 pF/m), nominal | |
| Impedance | 100 Ohms, nominal | |
| Power Pair | ||
| Colors | Red/black | |
| Conductors | (2) 18 AWG (0.82 mm²) stranded bare copper | |
| Insulation | Plenum polymer | |
| Shield | none | |
| Outer Jacket | ||
| Material | Plenum polymer | |
| Thickness | 0.015 inch (0.381 mm) nominal | |
| Outer Diameter | 0.216 inch (5.487 mm) nominal | |
| Color Options | Teal w/yellow stripe, orange w/black stripe, or black w/yellow stripe | |
| Compliance | ||
| NEC Article 800; UL Subject 444, Type CMP; CSA Type CMP; NFPA 262; CSA FT6 (Steiner Tunnel test); RoHS | ||
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